Search found 3 matches

by singlewchildren
Mon Jan 31, 2005 8:02 pm
Forum: General Discussion
Topic: Simple, dumb, RS232 interface
Replies: 10
Views: 1946

Re: Simple, dumb, RS232 interface

" its simple. use one of the other serial signal lines - RTS, for example. Then all you have to do is look at the value of the line. You could use CTS to signal back the state of the device or any other 1 bit of information you want."<p>Hi Phil, I kind of thought about that scenario, but it seemed t...
by singlewchildren
Mon Jan 31, 2005 7:59 pm
Forum: General Discussion
Topic: Simple, dumb, RS232 interface
Replies: 10
Views: 1946

Re: Simple, dumb, RS232 interface

"And it also seems like overkill to use a PC to control the A/V box. There must be more to this than meets the eye (or ear)."<p>Yea, it could appear that way, :-)but the PC already exists, and so does the box, so a really simple answer would let him do what he wants. I think he would like to be able...
by singlewchildren
Mon Jan 31, 2005 5:34 pm
Forum: General Discussion
Topic: Simple, dumb, RS232 interface
Replies: 10
Views: 1946

Simple, dumb, RS232 interface

Just a general inquiry, as I have been asked if I can figure out how to use an RS232 port to tell an A/V switch box to either turn off, or turn on.<p>The host is a PC, but the A/V box is an inexpensive device and its eems like overkill to integrate a full blown UART, let alone a micro or a PIC insid...